What this means
The IEEE assigned the MA-L block 004063 to VIA TECHNOLOGIES, INC.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:40:63, it is VIA TECHNOLOGIES, INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 004063?
004063 is registered to VIA TECHNOLOGIES, INC. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. VIA TECHNOLOGIES, INC.'s block covers 16,777,216 addresses.
What devices use 004063?
Any network device with a MAC address starting 00:40:63 was manufactured by or for VIA TECHNOLOGIES, INC..